EFM32LG232F256-QFP64

Microcontrollers Overview

The EFM32LG232F256-QFP64 is a 32-bit microcontroller from the Leopard Gecko family, built on an ARM Cortex-M3 core. It features up to 48 MHz operation, 256 kB of flash memory, and 32 kB of RAM. The device supports a supply voltage range of 1.98 V to 3.8 V and operates within a temperature range of -40 °C to +85 °C. It includes hardware AES encryption, multiple communication interfaces such as USB, I2C, SPI, and UART, and various analog peripherals including a 12-bit ADC and DAC.

Microcontrollers Feature Summary

• Ultra-low power operation with fast wake-up times from energy-saving modes
• Hardware cryptography support for secure data processing
• Integrated LCD controller for direct segment display driving
• Backup power domain allowing RTC and register retention during main power loss

Microcontrollers Applications

• Energy, gas, water and smart metering
• Health and fitness applications
• Smart accessories
• Alarm and security systems
• Industrial and home automation

Microcontrollers Procurement Notes

Verify the exact ordering code suffix against official documentation, as variations like 'R' indicate tape and reel packaging. Confirm current availability status, as some specific variants in this series may be marked as End of Life. Ensure compatibility with required package types and temperature grades before procurement.

Microcontrollers Selection Notes

Select this component when high performance combined with ultra-low power consumption is required. The Leopard Gecko family offers extensive peripheral integration suitable for battery-operated systems. Consider the specific memory size and interface requirements, such as USB connectivity or TFT driver capabilities, to ensure the variant matches the application needs.

Microcontrollers Part Context

This part belongs to the EFM32 Leopard Gecko family, known for energy-friendly design. It utilizes the ARM Cortex-M3 processor to deliver high performance while maintaining low active and sleep mode currents. The family is designed for applications requiring long battery life and robust feature sets in a compact form factor.

Microcontrollers Replacement Considerations

Check for other EFM32LG variants with similar memory and pin counts. Verify if alternative packages like QFN64 are acceptable substitutes. Ensure that any replacement maintains the required operating temperature range and voltage specifications.